Date: Thu, 31 May 2007 15:50:07 -0400 From: Vinny Abello <vinny@tellurian.com> To: Abdullah Ibn Hamad Al-Marri <almarrie@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Packet Loss w/bge & BCM5703 on Dell PE2650 Message-ID: <465F26EF.3040700@tellurian.com> In-Reply-To: <499c70c0705311225m73e5fdd6j49317912fd58ac36@mail.gmail.com> References: <200705300934.l4U9Y7eJ022617@lurza.secnetix.de> <465DB6C5.30407@tellurian.com> <465EA47B.7050400@gmail.com> <465EF9AF.3000108@tellurian.com> <465F1CA6.5000301@tellurian.com> <499c70c0705311225m73e5fdd6j49317912fd58ac36@mail.gmail.com>
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Abdullah Ibn Hamad Al-Marri wrote: > On 5/31/07, Vinny Abello <vinny@tellurian.com> wrote: >> Vinny Abello wrote: >> > Sten Daniel Soersdal wrote: >> >> Vinny Abello wrote: >> >>> Oliver Fromme wrote: >> >>>> Vinny Abello wrote: >> >>>> > I've isolated a problem which appears to be a bug causing >> >>>> packet loss >> >>>> > with FreeBSD 6.0 and later on the Dell PowerEdge 2650 servers >> and the >> >>>> > integrated Broadcom BCM5703 NICs. >> >>>> >> >>>> Have you enabled polling on the interface? >> >>>> >> >>>> I experienced a similar problem on a HP Proliant DL360 >> >>>> running 6.2-stable (RELENG_6 of a few weeks ago). >> >>>> The problem disappeared upon "ifconfig bge0 polling". >> >>>> >> >>>> Best regards >> >>>> Oliver >> >>> It appears I do not have the DEVICE_POLLING option set when I >> compiled >> >>> my kernel on my one machine and on the second I am just using the >> >>> GENERIC kernel. I'll recompile with this option set and try again and >> >>> post my results to the list. >> >>> >> >>> Thanks! >> >>> >> >> Try disabling hardware assisted checksumming. ( ifconfig bge0 -txcsum >> >> -rxcsum ). >> > >> > Thanks for the suggestion, but... >> > >> > That's actually one of the first things I tried before writing to the >> > list. No difference. >> > >> > I'm going to put an Intel Pro/100 card in shortly to see if the problem >> > goes away to be certain the issue is definitely with the integrated >> > Broadcom NICs. >> >> I've installed an Intel Pro/100 adapter in the Dell PowerEdge 2650. This >> is an Intel 82550 chipset. The packet loss problem is completely gone >> when using this NIC in the server, so it is definitely related to the >> bge driver and this chipset BCM5703 or something else in the server. I'm >> going to try and isolate which major release this problem appeared. >> Maybe this will help isolate the change that is causing this issue for >> me. >> >> -- >> >> Vinny Abello >> Network Engineer >> vinny@tellurian.com >> (973)940-6100 >> PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0 E935 5325 FBCB 0100 977A >> >> Tellurian Networks - The Ultimate Internet Connection >> http://www.tellurian.com (888)TELLURIAN >> >> "Courage is resistance to fear, mastery of fear - not absence of fear" >> -- Mark Twain > > I still suggest you csup to stable, there are changes made to the driver :) OK, I'll try that next instead. :) Thanks! -- Vinny Abello Network Engineer vinny@tellurian.com (973)940-6100 PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0 E935 5325 FBCB 0100 977A Tellurian Networks - The Ultimate Internet Connection http://www.tellurian.com (888)TELLURIAN "Courage is resistance to fear, mastery of fear - not absence of fear" -- Mark Twain
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